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rtnl_addrlabel: decode ifaddrlblmsg netlink attributes

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* rtnl_addrlabel.c (decode_ifal_address): New function.
(ifaddrlblmsg_nla_decoders): New array.
(decode_ifaddrlblmsg): Use it.
This commit is contained in:
JingPiao Chen 2017-08-30 21:14:05 +08:00 committed by Dmitry V. Levin
parent 170c3ead53
commit c23f5baaec
1 changed files with 21 additions and 1 deletions
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22
rtnl_addrlabel.c
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@ -40,6 +40,24 @@
# include "xlat/rtnl_addrlabel_attrs.h"
static bool
decode_ifal_address(struct tcb *const tcp,
const kernel_ulong_t addr,
const unsigned int len,
const void *const opaque_data)
{
const struct ifaddrlblmsg *const ifal = opaque_data;
decode_inet_addr(tcp, addr, len, ifal->ifal_family, NULL);
return true;
}
static const nla_decoder_t ifaddrlblmsg_nla_decoders[] = {
[IFAL_ADDRESS] = decode_ifal_address,
[IFAL_LABEL] = decode_nla_u32
};
DECL_NETLINK_ROUTE_DECODER(decode_ifaddrlblmsg)
{
struct ifaddrlblmsg ifal = { .ifal_family = family };
@ -67,7 +85,9 @@ DECL_NETLINK_ROUTE_DECODER(decode_ifaddrlblmsg)
if (decode_nla && len > offset) {
tprints(", ");
decode_nlattr(tcp, addr + offset, len - offset,
rtnl_addrlabel_attrs, "IFAL_???", NULL, 0, NULL);
rtnl_addrlabel_attrs, "IFAL_???",
ifaddrlblmsg_nla_decoders,
ARRAY_SIZE(ifaddrlblmsg_nla_decoders), &ifal);
}
}